Quarterly report pursuant to Section 13 or 15(d)

General (Details) - Schedule of reconciliation of cash, cash equivalents, and restricted cash

v3.21.2
General (Details) - Schedule of reconciliation of cash, cash equivalents, and restricted cash - USD ($)
$ in Thousands
Jun. 30, 2021
Dec. 31, 2020
Jun. 30, 2020
Dec. 31, 2019
Schedule of reconciliation of cash, cash equivalents, and restricted cash [Abstract]        
Cash and cash equivalents $ 1,373 $ 1,500    
Restricted cash 631 1,180    
Total cash, cash equivalents, and restricted cash shown in the cash flow statement $ 2,004 $ 2,680 $ 3,688 $ 6,228